Apparatus for use in making concrete piles.



PATENTED MAR W. O. LYON. APPARATUS FOR USE IN- MAKING CONCRETE FILES.

APPLICATION FILED MAY 12, 1903.

unnuruu A A 110 MODEL.

witness II (I I P'Eeentea March 8, 190

UNITED] ,ST AT s PATENT, OFFICE.

WALLACE OTLYCIN, or II'YAITTSVILLE, MARYLAND.

-' APPARATUS FOR USE IN MAKING CONCRETE FILES.

srnorrrcnrmir forming part of etters Patent No. 754,376, dated March a, 1904. Original application filed September 3, I902, Serial No. 121,988. Divided and this application filed MaylZ, 1903. Serial 50 all whom it may concern:

Be it known that I, WALLACE C. LYON, a citizen of the United States, residing at 'Hyattsville, in the county of Prince George and State of Maryland, have, invented certain new and useful Improvements in Apparatus for Use in Making Concrete Piles; and I do declare the following to be a full, clear, and exactdescription otthe invention, such as will enable oth-, ers skilled in the art to which it appertaius to make and use the same, reference being had to the accompanying-drawings, and to the letters of reference marked thereon, which form a I part. of this specification.

This invention relates to new and useful improvements in apparatus for making concrete piles; and it consists, essentially. in the provision of a former, which may be solid or hollow, adapted to receive temporarily a shoe in one end thereof, to be driven by the former into the ground and left permanently as a footing for a concrete pile after the former has been Withdrawn from the ground.

' The invention consists, further, in the provision of an apparatus for forming concrete 'pilw, consisting of a former carrying a shoe at, one efid,which is driven by the former into the ground, and having in its opposite ends theiillingaperture through which a semi- 3 liquid concrete is passed, and in the provision of an apertured valve designed to close the filling-aperture and through which valve fluidpressure may be introduced to act upon the surface of the concrete and the valve and adjacent end of the former, whereby said former may be raised out of the ground and the concrete forced out of the lower end to replace the space occupied by the former. I

The invention consists, further, in variou h details of construction and combinations of parts, as will be hereinafter fully described and then. specifically defined in theip'pended claims. g

.My invention is illustrated in the accoml5 panying drawings, in which- Figure 1 is a longitudinal central sectional view through my improved pile-forming apparatus: Fig. 2 is a sectional view through a pile made with my apparatus. Fig. 3 is an (No model.)

enlarged sectional view through the upper end of the former and valve. Fig. 4 is a top plan view of the formenshowing the valve fitted over the aperture in the end of the former. Fig. 5 is a sectional view showing a slight modification, comprising a pivotal means for connecting the valve .to the shell of the former.

Reference now being had to the details of the drawings by letter, A designates a former, which. in the present instance is shown as hollow and slightly tapering, although it will he understood that the same maybe made either solid or hollow and cylindrical or any other shape which may be found welladapted for the, purpose. The upper end .of the former has a curved flange C, the inner margin of which forms a filling-aperture B, preferably of oval shape, as shown in Fig. t of the draw- '1 ings, in order to facilitate the entrance of the valve D in the former. Said valve D hen adjusted in place after the shell is filled with concrete assumes the position shown in Fig.

1 of the drawings, in which a gasket (7 is interposed between the valve and the edge of said flange about the filling-aperture.

N designates a shoc,'wl1ich in the present instance is shown solid and taperingand having a shouldered portion upon which the lower end of the former rests, the contracted portion of said shoe entering the end of the former a slight distance.

The valve D is provided with a pipe I), having threaded connection with an aperture in the valve and to which pipe connection may be had with any apparatus, whereby fluid-pressure may be introduced into the shell after the same has been nearly filled withconcrete.

K designates a buifer which'is adapted t o contact with the top of the former and designed to receive the impact of a blow imparted by a hammer for driving the f, rmer into the ground.

In Fig. 5 I have shown a slight modification in which the valve, is pivotally connected 'by' means of a linkE to a pinF, which is carried by cars formed integral with the shell, as shown.

In operation the apparatuaas illustrated in the concrete will be forced out through the lower end of the former and against the wall of the hole in the ground, thus, preventing any caving in of the same, and the shoe will be permanently left at the bottom of the hole, forming a footing for the pile, and as the shell is raised by the fluid-pressure a solid pile of concrete is produced, forming a substantial foundation for any superstructure which'may be built upon the same.

While I have shown a particular construc.

tion of apparatus illustrating my pile-forming apparatus, it will be understood that 1 may make alterations in certain details of construction of the device without departing from the spirit of the invention, which consists in the forcing of a shoe by means of a foi.ner into the ground and leaving the same permanently as a footing for a concrete pile.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. An apparatus formaking concrete piles comprising a former, a shoe adapted to be driven by the latter into the ground and forming 'the footing for a concrete pile, as set forth. p

2. An apparatus. for making concrete piles comprising a former, with a valved top, a shoe adapted to be driven by the latter into the ground, said former designed to receive concrete which is forced out of the bottom thereof as the former is raised, thereby producing a concrete pile with said shoe as a footing to the latter, as set forth.

3. An apparatus for making piles, cbmpris ing a hollow tapering former, a tapering shoe engaging one end of the former and adapted to be driven thereby into the ground, said former designed to receive concrete which is forced out of the lower end of the former as it is raised out of the ground, thereby'leaving said shoe as a footing for the pile.

4. Apile-forming apparatus comprising a hollow former, a shoe engaged by said former and driven thereby into the ground, a valveregulated filling-aperture in said former and through which fluid-pressure is introduced to raise the former from the ground and force the concrete within the former out through the lower end thereof, whereby a pile is formed of solid concrete with said shoe as a footing, as set forth.

5. An apparatus for making piles comprising a hollow former, a shoe having an annular shoulder upon which the lower end of the former is adapted to rest, the opposite end of the former being flanged forming a filling-aperture, and a valve adapted to seat over said filling-aperture, as set forth. 6. A pile-formingapparatus comprising a hollow former, a shoe engaging one end thereof and adapted to be driven by the formerinto the ground, a filllIlQrfiPGl'lillIG at the other end of the former, a valve adapted to seat over said aperture and having" a pipe connection through which fluid-pressure may be introduced to the former, and a link pivotally connecting. said valve to the shell, as set forth.

7.' An apparatus for making concrete piles comprising removable former and a shoe de tachable therefrom and adapted to be driven thereby into the ground to for a concrete pile.

8. An apparatus formaking concrete piles comprising a removable hollow former and a shoe normally closing the lower end of the same but detachable therefrom, said shoe being adapted to be driven into the ground by the hollow former to constitute the footing for a concrete pile. k

In testimony whereof I hereunto alfix my signature in presence "of two witnesses.

' WALLACE C. LYON. Witnesses:

A. HoUeH, V FRANKLIN H. Honen.

form the footing 

